Abstract: A hood of a tractor including a front grill, a light unit, and an upper cover is provided with a center pillar. The front grill is attached to the center pillar, the light unit is attached to the front grill, and the upper cover is supported by the center pillar. The hood is further provided with a side frame and a lower cover, where the side frame is attached to the center pillar, and the lower cover is attached to at least the upper cover and the side frame.

Abstract: An engine device of the present invention includes including: an intake manifold configured to supply air into a cylinder; an exhaust manifold configured to output exhaust gas from the cylinder; a gas injector which mixes a gaseous fuel with the air supplied from the intake manifold; and a main fuel injection valve configured to inject a liquid fuel into the cylinder for combustion. At the time of switching from a gas mode in which the gaseous fuel is supplied into the cylinder to a diesel mode in which the liquid fuel is supplied into the cylinder, a supply-start timing of the liquid fuel is delayed relative to a supply-stop timing of the gaseous fuel.

Abstract: A urea water supply device supplying urea water to purify exhaust gas from an electric power generating engine. The urea water supply device includes: a urea water injector; a urea water flow route in which urea water flows; a clean water supply route in which clean water flows; and a urea water amount adjustment valve and a urea water flow meter provided in the urea water flow route. The clean water supply route merges with the urea water flow route on the downstream side of the urea water amount adjustment valve and the urea water flow meter.

Abstract: In a method for controlling an engine, based on a control map of an engine speed N and a fuel injection amount Q of a common-rail fuel injection unit, a controller calculating the fuel injection amount Q depending on the engine speed N, calculating an injection amount deviation ?Qn as a fuel injection amount increase, and determining that an engine is in a transient state if the injection amount deviation ?Qn exceeds a reference transient injection amount deviation A2 or if a transient injection amount deviation count Xq is larger than or equal to a reference transient injection amount deviation count X2. If it is determined that the engine is in the transient state, the controller controls an EGR unit and a boost controller according to an excess air ratio ? that is an indicator indicating the state of the engine.

Abstract: An engine apparatus includes an engine, an exhaust gas purification device, an outlet side bracket, and an inlet side bracket. The exhaust gas purification device is mounted above a cylinder head to extend along an axis of an output shaft of the engine. The inlet side bracket is configured to couple an exhaust gas inlet side of the exhaust gas purification device to the cylinder head. The inlet side bracket includes a first bracket, a second bracket, and a third bracket. The first bracket is configured to be secured to a surface of the cylinder head intersecting the axis of the output shaft and includes a wide width. The second bracket includes a proximal end portion and a distal end portion. The third bracket is configured to be coupled to an end surface of the exhaust gas purification device and the distal end portion of the second bracket.

Abstract: A hydraulic apparatus for a hydraulic work vehicle capable of supplying pressure oil to any of a bucket cylinder, an arm cylinder, a boom cylinder, a swing cylinder, a blade cylinder, a turning hydraulic motor, a left traveling hydraulic motor, a right traveling hydraulic motor, and a PTO hydraulic motor by a first hydraulic pump, a second hydraulic pump, or a third hydraulic pump. The pressure oil can be branched off from a discharge oil passage of the third hydraulic pump and supplied through an external pipe to a downstream side of a load check valve disposed on an oil passage communicating with a pump port of a PTO control valve for switching supply of pressure oil from the second hydraulic pump to an external hydraulic work machine.

Abstract: A multicopter having a plurality of propellers is provided with electric motors, at least one main battery, a generator, and an engine. The electric motors drive the propellers. The main battery is a first electric power source that supplies the electric power to the electric motors. The generator is a second electric power source that supplies the electric power to the electric motors. The engine drives the generator. When a remaining capacity of the main battery is less than a threshold, the generator charges the main battery with the electric power that has been converted from motive power from the engine.

Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.

Abstract: An engine comprising: a fuel injection device including a rack and an actuator, the rack being configured to regulate the amount of fuel injected to a combustion chamber, the actuator being configured to control the position of the rack; and a control device that controls fuel injection performed by the fuel injection device based on an instructed revolution number, and that performs a dither control on the actuator, wherein the control device has information of a revolution number variation region that is based on the relationship between a dither frequency in the dither control and an engine revolution number, and upon determining that the instructed revolution number is within the revolution number variation region, changes at least one of the dither frequency and the instructed revolution number. Thus, an engine capable of reducing a periodic variation in engine speed which may be caused by a dither control is provided.

Abstract: A boat includes: a propulsion device configured to generate propulsion force for a vessel body from driving force from an engine; a detection unit configured to detect a current position, a bow direction, and a movement speed of the vessel body; a steering device configured to change a cruising direction of the vessel body; a steering sensor configured to detect an operation amount of the steering device; and a control device that is connected to the propulsion device, the detection unit, and the steering sensor, and is configured to acquire an operating status of the propulsion device and a detection result obtained by the detection unit and the steering sensor, and to control the propulsion device based on the detection result. The control device executes a turning operation with the propulsion device, when the operation amount of the steering device detected by the steering sensor exceeds a threshold.

Abstract: An exemplary heat pump (10) includes: a compressor (16A, 16B) that discharges refrigerant; an oil separator (30) that separates oil from the refrigerant discharged from the compressor; an oil return channel (80) that returns the oil separated by the oil separator to the compressor; a pressure sensor (86A, 86B) that detects a pressure in the oil return channel; a first pressure loss member (84A, 84B) and a second pressure loss member (88A, 88B) disposed in portions of the oil return channel at an oil separator side and a compressor side relative to the pressure sensor; and a control device that increases an output of the compressor in a case where a pressure detected by the pressure sensor exceeds a suction pressure of the compressor and less than a discharge pressure of the compressor.

Abstract: In an EGR device configured to reflux part of exhaust gas of the engine as EGR gas into intake air of the engine, an EGR valve configured to restrict a flow rate of the EGR gas is closed when rotation speed N of the engine is between a low-speed threshold and a high-speed threshold, and fuel injection rate is between a low-injection rate threshold and a high-injection rate threshold that are set for each rotation speed.

Abstract: A method for producing a quality rice gel at low cost, while adopting a rational production facility that enables mass production. The method for producing a rice gel includes: a water addition step of adding water to raw rice bran to obtain a rice bran slurry in a slurry-like form, the raw rice bran being rice bran obtained by milling raw rice and excluding at least red rice bran; and a pulverization step of pulverizing the rice bran slurry to obtain a gelatinous rice gel.

Abstract: An engine device including: an EGR device configured to circulate, as EGR gas, a portion of exhaust gas exhausted from an exhaust manifold to an intake manifold; and an EGR cooler configured to cool EGR gas and supply the EGR gas to the EGR device. The EGR cooler includes a heat exchanger and a pair of flange portions. The heat exchanger has a coolant passage and an EGR gas fluid passage alternately stacked. The flange portions are disposed on the heat exchanger. An outlet of the coolant is disposed in one of the flange portions, while an inlet of the coolant is disposed in the other flange portion. An inlet of the EGR gas is disposed in one of the flange portions, while an outlet of the EGR gas is disposed in the other flange portion.

Abstract: An engine device includes a main throttle valve disposed at a portion where an outlet of a supercharger and an inlet of an intercooler are coupled to each other, an exhaust bypass flow path configured to couple an outlet of an exhaust manifold to an exhaust outlet of the supercharger, an exhaust bypass valve disposed in the exhaust bypass flow path, an air supply bypass flow path configured to bypass a compressor of the supercharger, and an air supply bypass valve disposed in the air supply bypass flow path. Within a low load range of a load on the engine device, when the load is lower than a predetermined load, feedback control is performed on the main throttle valve, and when the load is higher than the predetermined load, map control based on a data table is performed on the main throttle valve.

Abstract: At least one embodiment may provide a remote server that can determine occurrence of an abnormal condition in a power transmission system without using a threshold value in advance. There may be provided a remote server that receives operating and non-operating information of a working unit, information on a working date, information on a traveling speed, and information on a load factor of an engine, respectively from a combine harvester. The remote server calculates for each predetermined period an average of the engine load factor while the traveling speed is at or above a predetermined traveling speed with all working units in non-operation. If the average during a predetermined period is in a status of a predetermined difference from the average up to the predetermined period, the remote server determines that a moving power transmission mechanism of a traveling system of the combine harvester is in an abnormal condition.

Abstract: Disclosed is a control device capable of reducing CO2 emission and primary energy consumption, as well as energy supply cost, to lowest possible levels in optimal energy management. In repeatedly generating two or more energy balance candidates for each unit time for the outputs of the electric power grid and thermal accumulation unit based on combinations of varied values of the output ratios of a CHP, an RES, a thermal energy supply system, and an electrical storage unit and the consumption ratios of electric and thermal loads until the convergence of the evaluation values of the two or more candidates reaches a convergence criterion.

Abstract: To prevent generation of noise due to a misfire when a rotation speed is increased to an operational rotation speed immediately after low-temperature start, or is increased from an idling rotation speed in a low-temperature state to the operational rotation speed, an embodiment includes a fuel injection device capable of performing multi-stage injection of fuel accumulated in a common rail through an injector, a cooling water temperature sensor as a water temperature detection unit configured to detect a cooling water temperature of an engine, an exhaust temperature sensor as an exhaust temperature detection unit configured to detect the exhaust temperature of the engine, and an engine control unit as a control device. The control device executes a misfire avoiding mode in which the multi-stage injection is continued when the cooling water temperature is not lower than a predetermined water temperature T at start of the engine.

Abstract: An engine device including, in a cylinder block thereof, a cylinder bore, a cam chamber accommodating a camshaft, a push-rod chamber accommodating a push-rod, and a tappet holder configured to hold a tappet in a slidable manner, the tappet being configured to transmit the drive force from the camshaft to the push-rod. The tappet holder partitions the cam chamber and the push-rod chamber. A bypass passage communicating the cam chamber with the push-rod chamber is formed between the tappet holder and the cylinder bore.

Abstract: A gas engine is provided to control an air-fuel ratio in response to changes in composition of fuel gas. A gas engine 1 includes: an A/F valve 22; a solenoid valve 21; and a control unit 10 configured to perform perturbation using the solenoid valve 21 and set a relationship between an air-fuel ratio and respective opening degrees of the solenoid valve 21 and the A/F valve 22 under a specific engine operation condition using standard fuel gas. During an actual operation in a period in which the engine operation condition is deemed to be stable, when an opening-degree average value b of the solenoid valve 21 deviates from an opening-degree target value a of the solenoid valve 21 set in the control unit 10 under the above operation condition, the control unit 10 adjusts the opening degree of the A/F valve 22 so that the opening-degree average value b equals the opening-degree target value a.